Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual concorrente, com um motor Offenhauser L4 e um chassi Kurtis Kraft KK500A, marcou 9 pontos antes de 1955?
 ###Tabelas: CREATE TABLE series_characters (series_characters_id AUTO_INCREMENT PRIMARY KEY, Character VARCHAR, Game VARCHAR, Platform VARCHAR, Status VARCHAR, Mystic Arte VARCHAR, Character Voice VARCHAR) CREATE TABLE monthly_mobile_subscriber_additions (monthly_mobile_subscriber_additions_id AUTO_INCREMENT PRIMARY KEY, Year INT, January INT, February INT, March INT, April INT, June INT, July INT, August INT, September INT, October INT, November INT, December INT, Annual Additions(in millions) INT, Average Monthly Additions(in millions) INT) CREATE TABLE race_2;_senior_classic_race (race_2;_senior_classic_race_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Rider VARCHAR, Team VARCHAR, Speed VARCHAR, Time VARCHAR) CREATE TABLE complete_formula_one_world_championship_results (complete_formula_one_world_championship_results_id AUTO_INCREMENT PRIMARY KEY, Year INT, Entrant VARCHAR, Chassis VARCHAR, Engine VARCHAR, Points INT) CREATE TABLE most_wickets (most_wickets_id AUTO_INCREMENT PRIMARY KEY, Player VARCHAR, Matches VARCHAR, Overs VARCHAR, Wickets VARCHAR, Economy Rate VARCHAR, Average VARCHAR, Strike Rate VARCHAR)  
SELECT Entrant FROM complete_formula_one_world_championship_results WHERE Engine = offenhauser l4 AND Year < 1955 AND Chassis = kurtis kraft kk500a AND Points = 9